<p class="title">尺寸</p>
<p class="intro">头像有 small、medium 和 large 大小，也可以自己设定尺寸。</p>
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  <n-avatar size="small" src="https://07akioni.oss-cn-beijing.aliyuncs.com/07akioni.jpeg"></n-avatar>
  <n-avatar size="medium" src="https://07akioni.oss-cn-beijing.aliyuncs.com/07akioni.jpeg"></n-avatar>
  <n-avatar size="large" src="https://07akioni.oss-cn-beijing.aliyuncs.com/07akioni.jpeg"></n-avatar>
  <n-avatar [size]="48" src="https://07akioni.oss-cn-beijing.aliyuncs.com/07akioni.jpeg"></n-avatar>
</div>
